Whether you're building for the phone, the wrist, tablets, TVs, or cars, we have the guides and API reference you need.
Core developer topics
A modern API toolkit that's independent of Android releases, works across devices, and is compatible with earlier versions of Android. Jetpack includes a suite of over 70 androidx libraries.
Poor app performance can ruin your users' experience and hurt your app's reputation. If your app responds slowly, shows choppy animations, freezes, crashes, or consumes a lot of power, your users will notice. To avoid performance problems like these, measure your app's memory, CPU, and network usage by using the Android Profiler.
Learn to build small apps, add new feature to existing apps, and learn to use the latest tools.
Learn Android development from Google in partnership with Udacity. Follow any of several free courses or enroll in Udacity's Nanodegree program.